20171738440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:780

約数の個数: 256

約数和(自身を含む): 55599022080

約数和(自身を除く): 35427283640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 107, 124, 140, 148, 155, 185, 214, 217, 248, 259, 280, 296, 310, 370, 428, 434, 518, 535, 587, 620, 740, 749, 856, 868, 1036, 1070, 1085, 1147, 1174, 1240, 1295, 1480, 1498, 1736, 2072, 2140, 2170, 2294, 2348, 2590, 2935, 2996, 3317, 3745, 3959, 4109, 4280, 4340, 4588, 4696, 5180, 5735, 5870, 5992, 6634, 7490, 7918, 8029, 8218, 8680, 9176, 10360, 11470, 11740, 13268, 14980, 15836, 16058, 16436, 16585, 18197, 19795, 20545, 21719, 22940, 23219, 23480, 26536, 27713, 29960, 31672, 32116, 32872, 33170, 36394, 39590, 40145, 41090, 43438, 45880, 46438, 55426, 62809, 64232, 66340, 72788, 79180, 80290, 82180, 86876, 90985, 92876, 108595, 110852, 116095, 122729, 125618, 127379, 132680, 138565, 145576, 152033, 158360, 160580, 164360, 173752, 181970, 185752, 217190, 221704, 232190, 245458, 251236, 254758, 277130, 304066, 314045, 321160, 363940, 434380, 439663, 464380, 490916, 502472, 509516, 554260, 608132, 613645, 628090, 636895, 673289, 727880, 760165, 859103, 868760, 879326, 928760, 981832, 1019032, 1108520, 1216264, 1227290, 1256180, 1273790, 1346578, 1520330, 1718206, 1758652, 1947079, 2198315, 2323933, 2454580, 2512360, 2547580, 2693156, 3040660, 3366445, 3436412, 3517304, 3894158, 4295515, 4396630, 4647866, 4713023, 4909160, 5095160, 5386312, 6081320, 6732890, 6872824, 7788316, 8591030, 8793260, 9295732, 9426046, 9735395, 11619665, 13465780, 13629553, 15576632, 16267531, 17182060, 17586520, 18591464, 18852092, 19470790, 23239330, 23565115, 26931560, 27259106, 32535062, 34364120, 37704184, 38941580, 46478660, 47130230, 54518212, 65070124, 68147765, 72041923, 77883160, 81337655, 92957320, 94260460, 109036424, 130140248, 136295530, 144083846, 162675310, 188520920, 272591060, 288167692, 325350620, 360209615, 504293461, 545182120, 576335384, 650701240, 720419230, 1008586922, 1440838460, 2017173844, 2521467305, 2881676920, 4034347688, 5042934610, 10085869220, 20171738440]

約数ペア:

[(1, 20171738440), (2, 10085869220), (4, 5042934610), (5, 4034347688), (7, 2881676920), (8, 2521467305), (10, 2017173844), (14, 1440838460), (20, 1008586922), (28, 720419230), (31, 650701240), (35, 576335384), (37, 545182120), (40, 504293461), (56, 360209615), (62, 325350620), (70, 288167692), (74, 272591060), (107, 188520920), (124, 162675310), (140, 144083846), (148, 136295530), (155, 130140248), (185, 109036424), (214, 94260460), (217, 92957320), (248, 81337655), (259, 77883160), (280, 72041923), (296, 68147765), (310, 65070124), (370, 54518212), (428, 47130230), (434, 46478660), (518, 38941580), (535, 37704184), (587, 34364120), (620, 32535062), (740, 27259106), (749, 26931560), (856, 23565115), (868, 23239330), (1036, 19470790), (1070, 18852092), (1085, 18591464), (1147, 17586520), (1174, 17182060), (1240, 16267531), (1295, 15576632), (1480, 13629553), (1498, 13465780), (1736, 11619665), (2072, 9735395), (2140, 9426046), (2170, 9295732), (2294, 8793260), (2348, 8591030), (2590, 7788316), (2935, 6872824), (2996, 6732890), (3317, 6081320), (3745, 5386312), (3959, 5095160), (4109, 4909160), (4280, 4713023), (4340, 4647866), (4588, 4396630), (4696, 4295515), (5180, 3894158), (5735, 3517304), (5870, 3436412), (5992, 3366445), (6634, 3040660), (7490, 2693156), (7918, 2547580), (8029, 2512360), (8218, 2454580), (8680, 2323933), (9176, 2198315), (10360, 1947079), (11470, 1758652), (11740, 1718206), (13268, 1520330), (14980, 1346578), (15836, 1273790), (16058, 1256180), (16436, 1227290), (16585, 1216264), (18197, 1108520), (19795, 1019032), (20545, 981832), (21719, 928760), (22940, 879326), (23219, 868760), (23480, 859103), (26536, 760165), (27713, 727880), (29960, 673289), (31672, 636895), (32116, 628090), (32872, 613645), (33170, 608132), (36394, 554260), (39590, 509516), (40145, 502472), (41090, 490916), (43438, 464380), (45880, 439663), (46438, 434380), (55426, 363940), (62809, 321160), (64232, 314045), (66340, 304066), (72788, 277130), (79180, 254758), (80290, 251236), (82180, 245458), (86876, 232190), (90985, 221704), (92876, 217190), (108595, 185752), (110852, 181970), (116095, 173752), (122729, 164360), (125618, 160580), (127379, 158360), (132680, 152033), (138565, 145576)]